MCQs Soil Science-50 Posted on May 10, 2025August 30, 2025Author agropublishers 0 1. What primarily controls the formation of major landforms, including mountains, valleys, and plateaus? Tectonic processes Erosion and deposition Climatic processes Biological processes Chemical weathering 2. The process of conversion of Fe+2 (ferrous ion) to Fe+3 (ferric ion) is _______ Oxidation Reduction Hydrolysis Complexation 3. Why is it important to study hypoxia? All of these To understand its impact on aquatic ecosystems To understand its impact on plant health To develop strategies for mitigation 4. ____________ is a subdivision of a soil series, taking into account variations in properties such as texture, erosion, or slope Soil phase Soil family Soil horizon Soil order 5. __________ is an example of a climatic disaster Drought Landslide Tsunami Earthquake 6. _________ is an example of a human-induced cause of hypoxia in aquatic environments Nutrient pollution Climate change Sedimentation Ocean currents 7. Colluvial deposits are primarily associated with the movement of material under the influence of ___________ Gravity Wind Rivers Glaciers 8. _________________ factor/s regulate or influence soil development All of these Composition of parent material Climate Topography Biological activity 9. How many seed leaves can monocotyledonous plants, or monocots, have in their seedlings One Three Two Variable 10. Granite is a type of ___________ rock Igneous Sedimentary Metamorphic Foliated Loading … Question 1 of 10
